1. Dual cores are based on the core architecture while Pentium Ds are based on the P4
2. Dual cores run on a lower clock speed than the Pentium D
3. Dual cores produce less heat than the Pentium D
4. Dual cores consume less power than Pentium D
5. Dual cores have a shared L2 cache while Pentium Ds have a non-shared L2 cache
6. Dual cores outperform Pentium Ds